The RadDock control can be dragged using Grips or TitleBar depending on the DockHandle property. You can also do change the handle on the client via the set_handle method:

Set the content of the RadDock object:

<telerik:RadDockID="RadDock4"runat="server">

<ContentTemplate>

You can drag this object using the image below: <imgid="HandleImage4"src="../Skinning/Thumbnails/Blue.gif"alt="Image"/>

</ContentTemplate>

</telerik:RadDock>

Handle the OnClientInitialize event of the RadDock—in the handler function get reference to your RadDock object and also the object within RadDock's template that you would like to set as a dock handle. Then, use set_handle method to set the RadDock's new handle element